4778898912 has 240 divisors, whose sum is σ = 14670920880. Its totient is φ = 1524676608.

The previous prime is 4778898907. The next prime is 4778898913. The reversal of 4778898912 is 2198988774.

4778898912 is a `hidden beast` number, since 477 + 8 + 89 + 89 + 1 + 2 = 666.

It is a super-2 number, since 2×4778898912² = 45675749622229567488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4778898912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778898913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5906764 + ... + 5907572.

It is an arithmetic number, because the mean of its divisors is an integer number (61128837).

Almost surely, 2^4778898912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778898912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7335460440).

4778898912 is an abundant number, since it is smaller than the sum of its proper divisors (9892021968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778898912 is a wasteful number, since it uses less digits than its factorization.

4778898912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 910 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 63.

The square root of 4778898912 is about 69129.5805860270. The cubic root of 4778898912 is about 1684.3898458571.

The spelling of 4778898912 in words is "four billion, seven hundred seventy-eight million, eight hundred ninety-eight thousand, nine hundred twelve".